Done, and paragraph added to 8.1.X. (7.3 mention retained for 8.1.X.)
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Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > <para>
> > ! Genetic query optimization (<acronym>GEQO</acronym>) randomly
> > ! tests execution plans. Therefore, when the number of tables
> > ! exceeds <varname>geqo</> and genetic query optimization is in use,
> > ! the execution plan will change each time the statement is executed.
> > </para>
>
> geqo_threshold, please --- geqo is a boolean.
>
> Possibly better wording: Therefore, when the number of tables exceeds
> geqo_threshold causing genetic query optimization to be used, the
> execution plan is likely to change each time the statement is executed.
>
> regards, tom lane
>
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